John Xu: insider trades

Every open market trade John Xu has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • John Xu is listed as CEO and President at MSS.
  • Between 2026-04-09 (9 April 2026) and 2026-04-23 (23 April 2026) John Xu filed 3 open market buys worth $9.4K and 0 open market sales worth $0.
  • Across 2 scored buys, John Xu averaged -64.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 3 $9.4K
Open market sales 0 $0
Avg vs S&P, 90d -64.0% 2 scored buys
Beat the S&P 0% 90 days after entry

Would copying John Xu have paid?

prices as of 2026-09-28

The result. Across 2 scored buys, John Xu averaged -64.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.

Average return of John Xu's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 2 -21.3% 0% 1 n/a too few trades to tell
90 days 2 -64.0% 0% 1 n/a too few trades to tell
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. John Xu does not have enough yet.

Stocks traded

  1. MSS3 trades, $9.4K

Every open market trade

as of 2026-09-29
3 trades.
Open market trades filed by John Xu, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
23 Apr 2026 MSS buy 23,400 $0.13 $3.0K -59.7%
9 Apr 2026 MSS buy 24,000 $0.15 $3.6K -68.4%
9 Apr 2026 MSS buy 20,000 $0.14 $2.8K -68.4%

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has John Xu bought and sold?

Between 2026-04-09 (9 April 2026) and 2026-04-23 (23 April 2026) John Xu filed 3 open market buys worth $9.4K and 0 open market sales worth $0.

Did John Xu's buys beat the market?

Across 2 scored buys, John Xu averaged -64.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.